## non-text input when that's given from a pipe.
cat $(srcdir)/foo.info | grep 'GREPVERSION=$(my_version_rx)='
cat $(srcdir)/foo.info | grep 'GREPEDITION=$(my_version_rx)='
## non-text input when that's given from a pipe.
cat $(srcdir)/foo.info | grep 'GREPVERSION=$(my_version_rx)='
cat $(srcdir)/foo.info | grep 'GREPEDITION=$(my_version_rx)='